You should be able to have sex if you have atrial fibrillation without any negative consequences. Your heart rate may not increase as much because your medication is working to control your heart rate. Some medications for hypertension or other heart problems may cause impotence in men, but this condition may be treated with an impotence drug such as Viagra or Cialis. Talk to your doctor about any concerns you may have about having sex and the effects of medication for A-fib.

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The most common type of arrhythmia, atrial fibrillation (pronounced A-tree-uhl fih-bruh-LAY-shun) causes an irregular heartbeat that can increase your risk for stroke and heart failure.
Atrial fibrillation, or AF, results from faulty signals that are produced by our hearts electrical system. The faulty signals cause the upper portion of the heart, called the atria, to fibrillate, which means to contract rapidly and irregularly. When this happens, you may feel weak, dizzy and tired.
AF upsets the rhythm between the atria and the lower parts of the heart, called the ventricles. The irregular heartbeat can cause blood to gather in the atria, making us more susceptible to having a stroke. Furthermore, AF can cause the ventricles to not fill properly, which causes heart failure when the heart can't pump enough blood to meet our bodys demands.